Analysis

  • max time kernel
    296s
  • max time network
    301s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    08/03/2023, 03:59

General

  • Target

    f80fb68e43d64a69a23431326bd80179f0f3631962ab9ecc8ebb0e0354d105c7.exe

  • Size

    62KB

  • MD5

    f99422c66a010e0d293cc62ea636560c

  • SHA1

    195f2ce63f7d4aaf62d62fa85de027df10c28e7b

  • SHA256

    f80fb68e43d64a69a23431326bd80179f0f3631962ab9ecc8ebb0e0354d105c7

  • SHA512

    8f44b6b4893a1f35ccf1aa15411dbd7720d22b39e43576f71538e34fc21b1b866fa083940865bc541f5e6851332f0e929070bf3dd31ff68f4c19fc8a24dc3fef

  • SSDEEP

    768:cDVW5uhmv9//zzggwyx9rIrQwJYGMbAJAmQvmbAOjPQZIuySRAN:mks89DzKyrzwDMbAqbmMOjPE7m

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 9 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Creates scheduled task(s) 1 TTPs 10 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f80fb68e43d64a69a23431326bd80179f0f3631962ab9ecc8ebb0e0354d105c7.exe
    "C:\Users\Admin\AppData\Local\Temp\f80fb68e43d64a69a23431326bd80179f0f3631962ab9ecc8ebb0e0354d105c7.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\SystemData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4796
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:2992
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3004
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2448
      • C:\ProgramData\Dllhost\dllhost.exe
        "C:\ProgramData\Dllhost\dllhost.exe"
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        PID:4180
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4452
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:3412
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1240
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:4120
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk7252" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4212
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk7252" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:4548
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk7479" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:4528
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk6798" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4448
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk6798" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:3200
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk9574" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4536
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk9574" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:4104
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1244
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:2572
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4532
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:3416
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:2252
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:4488
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:4904
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:4544
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:3404
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:3020
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                4⤵
                • Creates scheduled task(s)
                PID:3388
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe -c config.json
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:2216
              • C:\Windows\SysWOW64\chcp.com
                chcp 1251
                4⤵
                  PID:2128
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe -c config.json
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:2412
                • C:\Windows\SysWOW64\chcp.com
                  chcp 1251
                  4⤵
                    PID:3956
                  • C:\ProgramData\Dllhost\winlogson.exe
                    C:\ProgramData\Dllhost\winlogson.exe -c config.json
                    4⤵
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of FindShellTrayWindow
                    PID:5016

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  • C:\ProgramData\Dllhost\dllhost.exe

                    Filesize

                    24KB

                    MD5

                    acf4152befc5768daaf11c92fd3899b0

                    SHA1

                    f8a210a2a00876f15008f275063988e5cf534722

                    SHA256

                    64c80419e5ca81a5bfee32e223b5676aac6d47c4aa8168ceae6247f766c291d6

                    SHA512

                    15bdde54be38e7ed0828f238bd2f0bcdc1a73671118225b731760fe4beb568a72570bad9b1a97a237291b394f1d3155aa6fcac209f6ae0a3db6608e0036c56d1

                  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

                    Filesize

                    2KB

                    MD5

                    1c19c16e21c97ed42d5beabc93391fc5

                    SHA1

                    8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68

                    SHA256

                    1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05

                    SHA512

                    7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                    Filesize

                    18KB

                    MD5

                    6b16a6f0c4f7abf434a3108ecebc0a8c

                    SHA1

                    af45c2d3f624e9564ddc0edb26205e092852a57c

                    SHA256

                    56f621a1529361d2141c695452e214334912dd436e16501de22ea5ee3080ec62

                    SHA512

                    e9e02bcf9faccd1e3614a1a8d9a49b72ef4e9ed970ae58b7da2984b1061760736e477793e368b31f5d6f24ea091d6d27726c23d02f803c29e5230bbf41bbb3b0

                  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fgqwihvo.jts.ps1

                    Filesize

                    1B

                    MD5

                    c4ca4238a0b923820dcc509a6f75849b

                    SHA1

                    356a192b7913b04c54574d18c28d46e6395428ab

                    SHA256

                    6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

                    SHA512

                    4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

                  • memory/2448-412-0x00000000074B0000-0x00000000074C0000-memory.dmp

                    Filesize

                    64KB

                  • memory/2448-411-0x000000007F3C0000-0x000000007F3D0000-memory.dmp

                    Filesize

                    64KB

                  • memory/2448-400-0x00000000074B0000-0x00000000074C0000-memory.dmp

                    Filesize

                    64KB

                  • memory/2448-386-0x0000000008200000-0x0000000008550000-memory.dmp

                    Filesize

                    3.3MB

                  • memory/3004-131-0x0000000007420000-0x0000000007430000-memory.dmp

                    Filesize

                    64KB

                  • memory/3004-235-0x0000000007420000-0x0000000007430000-memory.dmp

                    Filesize

                    64KB

                  • memory/3004-128-0x0000000005280000-0x00000000052B6000-memory.dmp

                    Filesize

                    216KB

                  • memory/3004-132-0x0000000007960000-0x0000000007982000-memory.dmp

                    Filesize

                    136KB

                  • memory/3004-133-0x0000000008170000-0x00000000081D6000-memory.dmp

                    Filesize

                    408KB

                  • memory/3004-134-0x0000000008310000-0x0000000008660000-memory.dmp

                    Filesize

                    3.3MB

                  • memory/3004-135-0x0000000008130000-0x000000000814C000-memory.dmp

                    Filesize

                    112KB

                  • memory/3004-136-0x00000000088C0000-0x000000000890B000-memory.dmp

                    Filesize

                    300KB

                  • memory/3004-137-0x0000000008AA0000-0x0000000008B16000-memory.dmp

                    Filesize

                    472KB

                  • memory/3004-129-0x0000000007A60000-0x0000000008088000-memory.dmp

                    Filesize

                    6.2MB

                  • memory/3004-154-0x00000000098F0000-0x0000000009923000-memory.dmp

                    Filesize

                    204KB

                  • memory/3004-155-0x00000000098D0000-0x00000000098EE000-memory.dmp

                    Filesize

                    120KB

                  • memory/3004-160-0x0000000009940000-0x00000000099E5000-memory.dmp

                    Filesize

                    660KB

                  • memory/3004-161-0x000000007EBD0000-0x000000007EBE0000-memory.dmp

                    Filesize

                    64KB

                  • memory/3004-166-0x0000000009DE0000-0x0000000009E74000-memory.dmp

                    Filesize

                    592KB

                  • memory/3004-130-0x0000000007420000-0x0000000007430000-memory.dmp

                    Filesize

                    64KB

                  • memory/3004-361-0x00000000075B0000-0x00000000075CA000-memory.dmp

                    Filesize

                    104KB

                  • memory/3004-366-0x00000000075A0000-0x00000000075A8000-memory.dmp

                    Filesize

                    32KB

                  • memory/4180-671-0x0000000000A20000-0x0000000000ACE000-memory.dmp

                    Filesize

                    696KB

                  • memory/4180-679-0x0000000070620000-0x0000000070635000-memory.dmp

                    Filesize

                    84KB

                  • memory/4604-124-0x000000000A750000-0x000000000A75A000-memory.dmp

                    Filesize

                    40KB

                  • memory/4604-119-0x0000000000790000-0x00000000007A6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4604-123-0x0000000005110000-0x0000000005120000-memory.dmp

                    Filesize

                    64KB

                  • memory/4604-122-0x000000000A780000-0x000000000A812000-memory.dmp

                    Filesize

                    584KB

                  • memory/4604-121-0x000000000AAA0000-0x000000000AF9E000-memory.dmp

                    Filesize

                    5.0MB

                  • memory/4604-120-0x0000000004F20000-0x0000000004F26000-memory.dmp

                    Filesize

                    24KB

                  • memory/4604-125-0x000000000BCF0000-0x000000000BD56000-memory.dmp

                    Filesize

                    408KB

                  • memory/4604-385-0x0000000005110000-0x0000000005120000-memory.dmp

                    Filesize

                    64KB

                  • memory/5016-689-0x000001A4CF680000-0x000001A4CF6A0000-memory.dmp

                    Filesize

                    128KB

                  • memory/5016-690-0x000001A4CF7B0000-0x000001A4CF7F0000-memory.dmp

                    Filesize

                    256KB

                  • memory/5016-700-0x000001A561C50000-0x000001A561C70000-memory.dmp

                    Filesize

                    128KB

                  • memory/5016-704-0x000001A561C50000-0x000001A561C70000-memory.dmp

                    Filesize

                    128KB